ALSA: pcm: adaption of code formatting

This commit modifies current for readability in below aspects:
 - use bool type variable instead of int type variable assigned to 0/1
 - move variable definition from loop to top of the function definition

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c
index db4cdd114ed498ade4211ab864509aa9042c860b..40560e579d33faa7f788e992a8bb0724db3aceed 100644 (file)
--- a/sound/core/pcm_native.c
+++ b/sound/core/pcm_native.c
@@ -328,9 +328,11 @@ static int constrain_params_by_rules(struct snd_pcm_substream *substream,
        unsigned int rstamps[constrs->rules_num];
        unsigned int vstamps[SNDRV_PCM_HW_PARAM_LAST_INTERVAL + 1];
        unsigned int stamp = 2;
+       struct snd_pcm_hw_rule *r;
+       unsigned int d;
        struct snd_mask old_mask;
        struct snd_interval old_interval;
-       int again;
+       bool again;
        int changed;
 
        for (k = 0; k < constrs->rules_num; k++)
@@ -338,10 +340,9 @@ static int constrain_params_by_rules(struct snd_pcm_substream *substream,
        for (k = 0; k <= SNDRV_PCM_HW_PARAM_LAST_INTERVAL; k++)
                vstamps[k] = (params->rmask & (1 << k)) ? 1 : 0;
 retry:
-       again = 0;
+       again = false;
        for (k = 0; k < constrs->rules_num; k++) {
-               struct snd_pcm_hw_rule *r = &constrs->rules[k];
-               unsigned int d;
+               r = &constrs->rules[k];
                if (r->cond && !(r->cond & params->flags))
                        continue;
                for (d = 0; r->deps[d] >= 0; d++) {
@@ -375,7 +376,7 @@ retry:
                if (changed && r->var >= 0) {
                        params->cmask |= (1 << r->var);
                        vstamps[r->var] = stamp;
-                       again = 1;
+                       again = true;
                }
                if (changed < 0)
                        return changed;
@@ -453,7 +454,6 @@ int snd_pcm_hw_refine(struct snd_pcm_substream *substream,
        params->rmask = 0;
        return 0;
 }
-
 EXPORT_SYMBOL(snd_pcm_hw_refine);
 
 static int snd_pcm_hw_refine_user(struct snd_pcm_substream *substream,